Projects/java/ButtonRotaryObserver/Project/grovepi/observer/ButtonInvoker.java
package grovepi.observer;

/*
 * **********************************************************************
 * PROJECT       :  GrovePi Java Library
 *
 * This file is part of the GrovePi Java Library project. More information about
 * this project can be found here:  https://github.com/DexterInd/GrovePi
 * **********************************************************************
 * 
 * ## License
 * 
 * The MIT License (MIT)
 * GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

 /**
 * Declares the methods that are called when ButtonPressDistinguisher identifies
 * a single, double, and long press respectively.  Write your own class that implements
 * this interface to determine what specific behavior should occur for each specific
 * button press.
 * @see ButtonPressDistinguisher
 * @see SamplebuttonInvoker
 * 
 * @author James Luczynski
 * @author Jeff Blankenship
 */
public interface ButtonInvoker {

    public abstract void singlePress();
    public abstract void doublePress();
    public abstract void longPress();
}
